251 search results - page 32 / 51 » Recognizing 3D Objects Using Photometric Invariant |
58
Voted
MVA
2007
14 years 11 months ago
2007
We propose a technique to recognize actions of grasshoppers based on spectral clustering. We track the object in 3D and construct features using 3D object movement in segments of ...
73
Voted
ICCV
2007
IEEE
15 years 3 months ago
2007
IEEE
Surface gradients are useful to surface reconstruction in single view modeling, shape-from-shading, and photometric stereo. Previous algorithms minimize a complex, nonlinear energ...
AMFG
2003
IEEE
15 years 2 months ago
2003
IEEE
Recognition under illumination variations is a challenging problem. The key is to successfully separate the illumination source from the observed appearance. Once separated, what ...
ECCV
2004
Springer
15 years 3 months ago
2004
Springer
This paper presents an analysis of the design of classifiers for use in a hierarchical object recognition approach. In this approach, a cascade of classifiers is arranged in a tr...
3DIM
1997
IEEE
15 years 1 months ago
1997
IEEE
We present a perception system, called Artisan, that semi-automatically builds 3-D models of a robot’s workspace. Range images are acquired with a scanning laser rangefinder an...